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TECH
Bio-Techne Corp.
stock NASDAQ

At Close

Aug 20, 2026 3:59:58 PM EDT

72.30USD-0.248%(-0.18)3,258,122

72.28Bid 76.08Ask 3.80Spread

Pre-market

Aug 20, 2026 9:29:30 AM EDT

72.37USD-0.152%(-0.11)7,961

After-hours

Aug 20, 2026 4:00:30 PM EDT

72.28USD-0.028%(-0.02)332,792

OverviewOptionsHistoricalExchange VolumeShortsMore

TECH Volume Aug 20, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	48.62	1,583,938	47.23
Nasdaq GSM	27.88	908,198	30.21
NYSE Arca	8.20	267,260	8.62
IEX	5.29	172,283	5.05
Cboe EDGX	4.28	139,576	2.30
Cboe BZX	2.31	75,365	2.99
NYSE	0.87	28,348	1.13
Cboe BYX	0.73	23,742	0.55
Cboe EDGA	0.62	20,301	0.53
MEMX	0.51	16,604	0.47
MIAX Pearl	0.45	14,700	0.35
CHX	0.07	2,144	0.05
NYSE National	0.05	1,688	0.11
NYSE American	0.05	1,637	0.17
24X National	0.04	1,200	0.01
Nasdaq PHLX	0.02	595	0.07
Nasdaq BX	0.01	482	0.10
Texas Stock Exchange LLC	0.00	0	0.04
LTSE	0.00	0	0.00

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

TECH Nutrition Facts

0.96 servings per container

Serving size

3.38M

Calories

3.26M

% Day

% Avg

Off Exchange¹ 2M

48.62%

47.23%

Nasdaq GSM 908K

27.88%

30.21%

NYSE Arca 267K

8.20%

8.62%

IEX 172K

5.29%

5.05%

Cboe EDGX 140K

4.28%

2.30%

Cboe BZX 75K

2.31%

2.99%

NYSE 28K

0.87%

1.13%

Cboe BYX 24K

0.73%

0.55%

Cboe EDGA 20K

0.62%

0.53%

MEMX 17K

0.51%

0.47%

MIAX Pearl 15K

0.45%

0.35%

CHX 2K

0.07%

0.05%

NYSE National 2K

0.05%

0.11%

NYSE American 2K

0.05%

0.17%

24X National 1K

0.04%

0.01%

Nasdaq PHLX 595

0.02%

0.07%

Nasdaq BX 482

0.01%

0.10%

Texas Stock Exchange LLC 0

0.00%

0.04%

LTSE 0

0.00%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

TECH Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 1,583,938, which is 48.62% of today's total volume.
Today's Lit volume is 1,674,123, which is 51.38%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 47.23%.
The average Lit volume has been 52.77%.

TECH Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe EDGX

Cboe BZX

NYSE

Cboe BYX

Cboe EDGA

MEMX

MIAX Pearl